netdev - Re: net: prevent of emerging cross-namespace symlinks patches for 3.14?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20150123121448.GA2543@charon>
Date:	Fri, 23 Jan 2015 12:14:48 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	Miquel van Smoorenburg <mikevs@...all.net>
Cc:	netdev@...r.kernel.org, stable@...r.kernel.org,
	"Alexander Y. Fomichev" <git.user@...il.com>,
	David Miller <davem@...emloft.net>
Subject: Re: net: prevent of emerging cross-namespace symlinks patches for
 3.14?

On Wed, Jan 14, 2015 at 10:45:19PM +0100, Miquel van Smoorenburg wrote:
> [first sent to lkml, now to netdev and the original patch author]
> 
> When running 'lxc' on the latest -stable kernel, 3.14.28, I'm seeing these
> errors:
> 
> Jan 14 17:47:16 lxc2 kernel: [   10.704890] WARNING: CPU: 0 PID: 3209 at
> fs/sys
> fs/dir.c:52 sysfs_warn_dup+0x8c/0xb0()
> Jan 14 17:47:16 lxc2 kernel: [   10.704892] sysfs: cannot create duplicate
> filename '/devices/virtual/net/eth0.104/upper_eth0'
> Jan 14 17:47:16 lxc2 kernel: [   10.704954] CPU: 0 PID: 3209 Comm:
> lxc-autostart Not tainted 3.14.28-xsserver #1
> 
> I did not see these errors in 3.12. This was fixed in 3.17 by:
> 
> net: prevent of emerging cross-namespace symlinks
> https://github.com/torvalds/linux/commit/4c75431ac3520631f1d9e74aa88407e6374dbbc4
> 
> net: fix creation adjacent device symlinks
> https://github.com/torvalds/linux/commit/7ce64c79c4decdeb1afe0bf2f6ef834b382871d1
> 
> These patches apply cleanly to 3.14.28.
> 
> If you agree that this should go into 3.14-stable, please ack.
> 

Thank you, I am queuing these 2 patches for the 3.16 kernel as well.

Cheers,
--
Luís

> Thanks,
> 
> Mike.
> --
> To unsubscribe from this list: send the line "unsubscribe stable" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html